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22 Sep-17:04:03 The mizunaka collection - fluorite (Am Mizunaka)
22 Sep-15:23:18 Re: collection of sante celiberti (Sante Celiberti)
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22 Sep-10:56:01 Re: a tri-state galena and calcite (R Saunders)
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22 Sep-10:18:31 Re: a tri-state galena and calcite (Rgangue)
22 Sep-09:43:12 Re: a tri-state galena and calcite (R Saunders)
22 Sep-09:12:01 Re: a mineralogical trip through the states of usa - indiana (R Saunders)
22 Sep-08:22:04 Re: collection of david carter (David916)
22 Sep-04:50:48 Re: very nice amethyst in the railroad works in north of spain (Heat)
22 Sep-04:11:45 Re: collection of volkmar stingl (Volkmar Stingl)
22 Sep-03:22:44 Re: very nice amethyst in the railroad works in north of spain (Hans Cremers)
22 Sep-03:11:53 Re: quartz and epidote with possible hedenbergite from imilchil, morocco (Sante Celiberti)
21 Sep-16:58:02 Quartz and epidote with possible hedenbergite from imilchil, morocco (Adam)
21 Sep-14:00:15 Re: very nice amethyst in the railroad works in north of spain (James Catmur)
21 Sep-13:57:11 Re: very nice amethyst in the railroad works in north of spain (James Catmur)

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Don Lum Collection
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Volkmar Stingl




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PostPosted: Jul 18, 2021 22:38    Post subject: Re: Don Lum Collection  

Don Lum wrote:
Rhodochrosite


A wonderful Rhodo combo from Wutong! I have seen a lot from there (even the "Empress of China"), but yours has a perfect size for a collection and is really outstanding. I love it!

Volkmar.
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Don Lum




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PostPosted: Jul 18, 2021 23:18    Post subject: Re: Don Lum Collection  

Thank you so much for your kind comments on my Rhodochrosite, Volkmar. It is good to hear from you. I am enjoying your collection.

Regards,

Don

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Don Lum




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PostPosted: Jul 19, 2021 23:07    Post subject: Re: Don Lum Collection  

Morganite


P7182849 (2).JPG
 Mineral: Beryl (variety morganite), Quartz, Lepidolite, Albite
 Locality:
Dara-I-Pech District (Pech District), Konar Province (Kunar), Afghanistan
 Dimensions: 89 mm x 78 mm x 32 mm
 Description:
 Viewed:  1618 Time(s)

P7182849 (2).JPG



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Don Lum




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PostPosted: Jul 20, 2021 22:11    Post subject: Re: Don Lum Collection  

Smithsonite


P7172834 (2).JPG
 Mineral: Smithsonite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 38 mm x 23 mm x 11 mm
 Description:
 Viewed:  1562 Time(s)

P7172834 (2).JPG



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Don Lum




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PostPosted: Aug 02, 2021 23:11    Post subject: Re: Don Lum Collection  

Fluorite after Calcite


P8022910 (2).JPG
 Mineral: Fluorite, Calcite and Fluorite after Calcite
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: 104 mm x 94 mm x 75 mm
 Description:
Clear octahedral stepped Fluorite. Pink Calcite crystal replaced by Fluorite.
 Viewed:  1448 Time(s)

P8022910 (2).JPG



P8022925 (2).JPG
 Mineral: Fluorite, Calcite and Fluorite after Calcite
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: 104 mm x 94 mm x 75 mm
 Description:
 Viewed:  1450 Time(s)

P8022925 (2).JPG



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Don Lum




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PostPosted: Aug 07, 2021 14:02    Post subject: Re: Don Lum Collection  

Calcite with drusy Pyrite


P8052934 (2).JPG
 Mineral: Calcite, Pyrite
 Locality:
Quanzhou Prefecture, Fujian Province, China
 Dimensions: 90 mm x 70 mm x 57 mm
 Description:
Calcite with drusy Pyrite
 Viewed:  1347 Time(s)

P8052934 (2).JPG



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Don Lum




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PostPosted: Aug 08, 2021 11:14    Post subject: Re: Don Lum Collection  

Arsenopyrite Twin Crystal


P8052945 (2).JPG
 Mineral: Arsenopyrite, Quartz
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 72 mm x 57 mm x 50 mm
 Description:
Arsenopyrite Twin Crystal
 Viewed:  1310 Time(s)

P8052945 (2).JPG



P8052952 (2).JPG
 Mineral: Arsenopyrite, Quartz and Muscovite
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 72 mm x 57 mm x 50 mm
 Description:
Arsenopyrite Twin Crystal
 Viewed:  1310 Time(s)

P8052952 (2).JPG



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Tobi




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PostPosted: Aug 12, 2021 13:12    Post subject: Re: Don Lum Collection  

Awesome Huanggang fluorite, Don!
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Don Lum




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PostPosted: Aug 12, 2021 13:56    Post subject: Re: Don Lum Collection  

Tobi wrote:
Awesome Huanggang fluorite, Don!


Thank you, Tobi. I am glad to hear from you.

Take care.

Don

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Bob Morgan




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PostPosted: Aug 13, 2021 07:39    Post subject: Re: Don Lum Collection  

Wonderful overgrowth. It appears to me that calcite is mainly involved rather than quartz.
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Jordi Fabre
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PostPosted: Aug 13, 2021 12:33    Post subject: Re: Don Lum Collection  

Bob Morgan wrote:
Wonderful overgrowth. It appears to me that calcite is mainly involved rather than quartz.

If you refer to: https://www.mineral-forum.com/message-board/viewtopic.php?p=76013#76013
at the front image https://www.mineral-forum.com/message-board/download.php?id=103144 the Quartz seems obvious to me and at the rear image https://www.mineral-forum.com/message-board/download.php?id=103143 the 'Calcite-shape crystals' they could be the same Arsenopyrite crystals as the front but with a kind of strange reflection. I can see also Muscovite at the bottom...
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Bob Morgan




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PostPosted: Aug 13, 2021 18:41    Post subject: Re: Don Lum Collection  

Sorry I missed the first photo and the quartz. OK the light effect along with the shape to the upper right had me seeing calcite. Thanks for the correction.
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Don Lum




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PostPosted: Sep 07, 2021 21:35    Post subject: Re: Don Lum Collection  

Trapiche Amethyst


P9062954 (2).JPG
 Mineral: Quartz (variety amethyst variety trapiche)
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: 64 mm x 44 mm x 42 mm
 Description:
 Viewed:  585 Time(s)

P9062954 (2).JPG



P9062966 (2).JPG
 Mineral: Quartz (variety amethyst variety trapiche)
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China
 Dimensions: 64 mm x 44 mm x 42 mm
 Description:
 Viewed:  587 Time(s)

P9062966 (2).JPG



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Tobi




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PostPosted: Sep 08, 2021 02:17    Post subject: Re: Don Lum Collection  

A great quartz crystal, Don! Always amazing to see what comes out of the mines of Huanggang.
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am mizunaka




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PostPosted: Sep 08, 2021 03:14    Post subject: Re: Don Lum Collection  

A very cool crystal. I have only seen slices before of this type of material.
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Don Lum




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PostPosted: Sep 08, 2021 11:15    Post subject: Re: Don Lum Collection  

Thank you for your comments Tobi and Mike. I had not seen a complete crystal before this one; just polished slices and cabochons.

Take care,

Don

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PostPosted: Sep 08, 2021 21:17    Post subject: Re: Don Lum Collection  

Opal-CT (variety lussatite)


P9062976 (2).JPG
 Mineral: Opal-CT (variety lussatite) after fossil (Helix ramondi)
 Locality:
Les Rois Mine, Mur-sur-Allier, Pont-du-Château, Clermont-Ferrand District, Puy-de-Dôme Department, Auvergne-Rhône-Alpes, France
 Dimensions: 92 mm x 45 mm x 39 mm
 Description:
 Viewed:  438 Time(s)

P9062976 (2).JPG



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